Conveyer system.



"s. H. LIBBY. CONVEYER SYSTEM.

APPLICATION FILED OCT. 21, 1909.

Patented Jan. 18,1910;

INVENTEI R. 5A r1 HUBEY wnN ESE: Es:

v To all whmh'i't 06mm.- Be it knownthat I, SAM H. LIBBY, a citizen ofthe United States, residin at East Orange,-county of Esex, State of e wJ ersey, have invented certain new and useful Improvements in ConveyorSystems, of

intended though it In conveyer systems of the general type abovementioned so-called gauntree cranes exten are often employed. Thesecranes consist in general of abridge built of structural steel arrangedfor travel upon. two tracks which fore, transversely to the trackcarried by the latter upon \vhicha carrier is arranged to travel. Thisbridge generally moves over the area in which material is to bedistributed and the carrier never leaves the bridge track.

It is'a'n object of my invention to provide means whereby the carriercan not only be operated upon the bridge, but can also be the brid etrack and the fixed track can bev made wit out requiring the operatortdbring,

runoff the bridge on to a fixed trackdeading to an' area not covered' bythe movement of the bridge.

One particular feature of my invention is the means whereby theconnection between the bridge accurately to a definite point, therebypreventing loss-of time in operation which would naturall result ifexact aline ment between the bri ge track and the fixed track werenecessary. I To the above end, I provide in a conveyer system having atravellng bridge carrying a trackupon which a carrier 0 rates-and havinga fixed'track upon whic it'is'desired to at times run the carrier, ayielding3 tl0kof track serving as a connection between the bridge trackand the fixed track. 1

My-invention will be fully understood 1 from the following descriptiontaken-in con nection with the accompanying drawing in Specification ofLetters Patent. Application and October 21, 1909. Serial No. 523,779.

transversely to the bridge and, therem-T D A S M NT- orricu.

v SAM 1, LIBBY, or

GQNVEYEB. sYs'rEin which one embodiment 'ofsaid invention is illustratedin plan view in a more or less diagrammatic manner.

Referring to the drawing, let us assume that A is a railroad track orother material, is receive at a manufacturing plant. Let us also assumethat B is an area used for the storage of the coal or as needed and'isused in the boiler house or other building C. A gauntree crane, ortravlan view at D, travels upon tracks E and said bridge being arrangedas shown to 'move over the storage area B and that portion of therailroad track A. adjacent to said area. Upon the bridge D is atrack Iupon which a carrier G travels, said carrier being provided with a grabbucket, or other hoist, of any suitable form. In the arrangement shownit is assumed that the o erator is carried in a cage on the carrier andis able 'from this osition to control the movement of the bridge D uponthe tracks andE, the travel of the carrier G upon its track, thehoisting and lowering of the bucket, and, in fact, the whole operationof the conveyer any suitable and well-known way which, since it forms nopart-of my invention, has not been illustrated in the drawing and neednot be described. 7 g

, Supported within'the building 0 is a fixed ,track H, the end of whichextends out of said building and over one end of the area B, as shown.In the particular/arrangement shown, the end of the track'H is curvedand is provided with a iyoted section Ifpivotcd at z'and'biasd to teposition shown in full lines by a spring connected between-a fixedbracket fendthe pivoted section I as shown. 'Thepi-vqtd-action I at-itsouter i" in any. suitablemanner. .In the particular system shown, the IbridgFD is provided with a switch member "K, p1voted at k, which can bethrown by the operator either to theposition shown in full lines, inwhich'it -'is in:alinement with the straighttrack'F, or to the ositionshown *in dotted lines, in which sai switch memeling. bridge,diagrammatically indicated intrack F carried by the Elisa enliven, NEWJERSEY, assra'non. 'ro srnh'epn anaemic. communaconronarroiv or NEWJERSEY.

, Patented-Jan. 18, 1910.

u on which coal,-' I

other material which is taken from this area 1 system. The variousmovements of the system may be controlled by electric motors in V endmay be slidihgly, mlfliorted by a bracket =b K is in almement with,ashort section of track L arrangedi-as shown. Such swiiltlch devices andthe means for operating-F t em;

- are well-known'in this .artand neednot be f'described. The outer endof the section of .5 track L is so arranged that,when the bridge D isnear that end of its travel toward the buildin C, said end enga c withthe free end i of -the pivoted trac member I and will allow the carrierto'be run from the 1'0 section L on to the section I. and thence to,

the track H. It will be obvious that. with the arrangement shown it willnot-be nee I I essary for the operator to move the bridge D to an exactposition but only to an approxi mate y certain osition saywithin two orthree-feet, in or er .to eiiect a connection beA I tween the track.Fcarried b the brid e D and the fixed trackH. e ends 0 the switch memberK, the section of track L,

and the pivoted section I should, of course,

be provided. withthe ilsuali devices which prevent the carrier from bein"of! the ends of these parts of the trac 'unless'they f are in correctalinement with-the cooperat- 26 ing parts. Since these devices form-nolfiarti asp:

of inventiontheybav'e' not been The operation of my conveyersystem beapparent from theforegoing.. -The' op- 30 erator can at will run thecarrier either back and forth on the track Fwn the bridge D or fromsaidtrack Fto the fixed trac in building C,=thereby'permittin the-area. B

and the building C.- to be serve by the'same 'carrier.

, It will, ofcourse, be understood that the system can be modified iqmany ways,- for example,.by omitting the switch memberK and a portion ofthe track L and'arranging 40' one end of the track F to engage'directly]with the pivoted member I. It will be clear also that any number'offixed tracks may be provided to whichtheoperatorcan runfthe carrier. Ido not, there fore,-in the following claims intend to limit myselftothepar ticular construction and arrangement shown,

but on the contrary laimto coverfall modifications whichcomewi-thin theof my invention.

WhatI claim as new and desire to secure by; Letters Patent of the,United States, is,-

1. In combination, a;traveling bri e,. a

trackcarried thereb ,a carrier arrange .for travel-finghidtracaffixedtrack, and a.

yieldingsectionoftrackservi as a ,con'-.

nection between said-bridgetra and. said fixedztrack'when' said-bridgeis approxi--, -matelly-inio. certain position.

n combination, a traveling brid e', a track carried therebl)?acarrier-arrang'ed for travel. on "said 'trac a fixed track, andia 1pivoted section-of track having a limited 4 movement and biased-in acert-am direct-ion serving as'a connection between said bridge and.sa-idfixed track when said bridge is approximately ina certainposition;

. 3. In combination, a travelingbridge, a track: carried thereb acarrier arranged for .travel'on said traclg-a fixed track, and a sectionpf track pivotally secured to the end 7.0 of said-fixed track,-'jtli'free end of which pivoteds'ectionI-is ada ted for engagement with artion of'saidbridge track whereby when t e bridge is approximately in ,acertain osition said carrier can bevrun from said ridge track tosaidfixed track and vice versa: p

, 4. In combination, a traveling bridge, a track carriedthereby, acarrier arranged for travel on said track, afixed track, a section- 'oftrack 'pivotally secured at -one end tothe end of said fixed track,means for biasing said pivoted section toward said brid -e, and

a ortion of track carried bysaid bridge andatetzpted to e agenwith theend of said pivo sectionw ereby when the bridge is'approximately inacertain osition the-carrier caii be run from said'bri ge track on tosaid fixed track 'andvice versa. 4 5. 'In combinat-iom'a traveling'bridge, a

track carried-thereby, a carrier arranged for travel on-said'tr'ack, afixed track pivotall securedat' one end to the end. of said fixe track,la section of track carried by said bridge and adapted to-engage withthe end I p of said'pivoted section; a switch adapted to be'thrownintoalinement either with the "main track of 'said bridge or the section ofpivoted section, whereby when the, bridge is 7 approximately in'acertain position the car- *rier can be run from said'main bridge trackever-said switch and'said' section of track 1 onto said pivoted sectionand thence on to .-In witness-whereof, 1 have liereunto set I my "handthis nineteenth 'day of October; I I

.said fixed track and vice' versa..'; I 1 05

